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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Design for Mechanical Behavior of Architectured Materials via Topology Optimization
Presentation Title Realizing Optimized Mesoscale 3D Architected Material Designs via Nanoparticle Assembly by Pointwise Spatial Printing
Author(s) Md Sadeq Saleh, Chunshan Hu, Rahul Panat
On-Site Speaker (Planned) Md Sadeq Saleh
Abstract Scope Realizing structural material designs where the scale for organization is at mesoscales (between micro and macroscales) is necessary to achieve extremal material properties such as high strength to weight ratio. In this work, we present an experimental method that can arrange nanoparticles at microscales to create complex 3-D structures such as microlattices, with nearly fully dense truss elements, with a total structural length scale of several millimeters to a centimeter. By varying the post-processing conditions, we have also introduced an additional control over the internal porosity of the truss elements to demonstrate a hierarchical porous structure with an overall void size and feature size control of over five orders of magnitudes in length scale. The method uses direct printing of nanoparticle dispersions in 3D space without templating or supporting materials followed by binder removal and sintering. Several applications in biological scaffolds, ultralight or multifunctional materials, microfluidics, and micro-optoelectronics are identified.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Level Set Based Topology Optimization Framework to Design Extreme Thermos-elastic Microstructure: Influence of Graded Interfaces and Multi-materials
A Panel Discussion for the Design of Materials via Topology Optimization
Deformation and Failure of Bioinspired Segmented Architectured Beams and Plates
Dense Architectured Materials in Engineering and in Nature
Design for Discovery: Integrated Computational Design & Additive Manufacturing of Mechanical Metastructures with a Parametric Level-set Based Approach
Design of Functionally Graded Microstructures with Manufacturability
Design of Honeycomb TWIP Steels for Maximum Energy Absorption
Designing Metamaterials for Enhanced Noise and Vibration Properties
Discrete-element Modeling of Nacre-like Materials: Random Microstructures, Nonlinear Deformations and Fracture
Efficient Microstructural Design: A Topological Sensitivity Approach
Extreme Design: An Adrenalin Rush with Topology Optimization, Metamaterials and Additive Manufacturing
Incorporating Material Heterogeneity in Automated Design Tools
Inverse Homogenization Design of Micro-truss Architected Materials Using Geometric Primitives
L-29: Mechanical Properties of Work Hardened Steel Multilayers with Bimodal Grain Size
Multiscale Design with Architected Material Connectivity for Multiphysics Problems
Optimal Design of Architected Materials with Extreme Energy Dissipation
Optimized Microlattices for High Strength and Impact Attenuation
Realizing Optimized Mesoscale 3D Architected Material Designs via Nanoparticle Assembly by Pointwise Spatial Printing
Tailoring the Dynamic Properties of 3D Woven Metallic Lattices through Topology Optimization
Topology Optimization for Sliding Abrasive Wear of Bi-material Composites
Topology Optimization of Architected Materials with Application-specific Tailored Properties
Topology Optimization of Cellular Materials with Tailored Band Gaps
Topology Optimization of Multi-material Truss Lattice Structures via Geometry Projection
Topology Optimization with RVE Lattice Structures Subject to Additive Manufacturing and Stress Design Constraints

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